Axial thrashing machine



l Sept. 23, 1930u F. sci-:LAYER 1,776,396

AXIAL THRASHING MACHINE Filed June 4, 1929 3 Sheets-Sheet 1 .'JNVENTOIQ.` Felix Sr-Player* Sept. 23, 1930, F. sci-LAYER 1.776,396

y AXAL THRASHING MACHINE I Filed Junev4, 1929 3 Sheets-Sheet 2 'JNVENTORi Felix .Srloyer' l Mmm *I ibaiiie'surfaces oontainfpreferably grooved l Patented Sept. 23,` 1930 UNlTl-:Dz STATES :FELIX scHLAYER, or MADRID, SPAIN l AXIAL THRASHING MACHINE Application filed :une a, 1929, seriai No. 368,221, and in Austrianme 6,1928;

` I`fl`lieaXial thrashing machine of tlie'Schlayer `type has hitherto been known only incon- Vnectio'n' with the axial straw reducing machine, theigrain to be treated being subjected .5 onitslentire path through the machine toa combined thrashing and reducing action and coming outat ythe discharge 'end in the form offchaf-like short straw'which'is chiefly used as'oolder.`A ,'.Howeven as it is ycustomaryfi'n-many regions to employ the straw obtained by thrashingv as litter after chopping itbefore or after thrashing .on special machines into lengths ranging approximately from QOto 40 cm., it y is Vthe object of the gpresent'invention to pro- Avide-a Schlayer axial thrashing machine A adapted also to supply disintegrated longer straw that can be .used asflitter,l

. In order vto attain this new lobject it is necessary to provide the machine with special equipment to replace the working vmembers eliminated together Awith the reducing portionsothat7 thoughthe length ofthe machine and the duration of treatment are shortened, f y.t-horongh thrashing out is insuredand a straw produced that is soft, opened up, adapted to absorb liquid manure,l and Vgenerally suited tor serve .as litter. The latter yfeatureestablishes a considerable superiorityof the invention as compared with the .machines mentioned having chopping devices .and operating as long or broad thrashout-fits to produce litter, because in these machines the members serving for squeezing and softening the straw are either lacking entirely orcannot be attached in a simple manner while in the present inventionv they form =a part of the machine. o Y k The vnew equipment consistsifirstly in Aproviding the machine drum with bulges having baffle surfaces or bodies to insure anincreased thrashing effect especial-ly for ythose ears which in 'case of very dry.y brittle grain are removed prematurely from the blades. The

thrashing bars'whichlcan'be adjusted to adapt the machine to the nature and'condition of the grain. The bulge and battle surface are provided, above all, vin the inl'etportion yof the machine,'but may lso` be arranged vels'e- 50 i where to suit requirements.' i To soften and open up thexlongstraw, conical groovedbodies are employedfin the machine' partco-nnecting with the inlet end for the coacting members and esfpefyziallyv those that are in engagement. These bodies do not f so much disintegrate the straw' but split it up by-exposing it to'squeezing, pressing, rubbing and the like so as to render it particularly suitable for'serving aslitter. 60

The boundary of thisA axial thrashing machine furnishing litter is formed preferably by va fixed endwall'behind which a shaft'bearing is arranged'on a bracket. To protect the latter against being covered up by long straw, the invention provides vclearer forks behind it connected vwith the shaft 'and preferablyadjusted to transport, which continually draw ojff thestrawfrom the bracket and 'loosen it.

A further improvement consists inthe em- `ployment of means adapted to produce additional wind in a hood opening below and 'be'-` ingiarranged'above a straw sieve at the end "of the machine. This especially radially flowing wind serves the purpose of removing y ,rapidly the :straw consisting of long blade f parts from ythe hood and of distributing it equally on the sieve.y

I Moreover, the invention 4makes it possible to combine a thrashing machinerv producing sov 'litter with. a 'straw reducing machine, the change to thev former consisting in exchan ging inthe end reducing portion the reducing tools of the beaters for wide-faced capswhich lpro- -duce a wind strong eno-ugh to move the longa5V er grain blades while the fixed members 'are either omitted entirely orreplaced by special 'thrashing noses.

Several embodiments' of the invention are illustrated by way of example in the accoma Ul I panying drawings, in which Figure 1 is a vertical longitudinal medial section of an axial thrashing machine of the Schlayer type producing litter; Fig. 2, a vertical longitudinal section of an axial thrashing and straw reducing machine of the Schlayer type altered so as to produce litter;-Figs. 3 and 4 represent sections on the lines III- IH and IV-IV respectively of Fig. 1; Fig. 5 shows two coacting fingers on an enlarged scale; Fig. 6 is a sectionon the line VIT- VT of Fig.

; Fig..7 is as'ectionv on an enlarged scale of the drum portion containing thekbulge and secondary thrashing body l; Fig. 8, a section of a thrashingbar adapted tobe employed in :the discharge part of the machine; 1g.r 9, a section similar to Fig. Sthrough a modification; Fig. 1Q, avertical longitudinal medial section ofv a VVlitter-producing thrashing machine with buffer space andl adjustablewind vanes; .an'dFig 11, a section on the line XI-.XI of Fig. 10.`

I Referring to'thedrawings, the machine consists, chiefly of a cylindrical drum 1 arranged ina frame i"2 and provided with. a shaft 3 which carries-the beater, arms 4 fitted on their ends `with tools ycomprising in the inlet portionor the actualfthrashing space plate-like bodies 5 and cooperating with the wall 1 ofthe drum. The connecting thrashing space contains also the beater plates 5 while in theV preliminary vvreducing space spe- Y ci'allyV shaped rotary fingers 6 are yemployed corresponding tov similarly shaped flngersg7 rigidlysecured to the'thrashingdrum. Accordingto the Schlayersystem, the freeends of the rotary working members 5, 6 andthe membersV l, 7 cooperating with them arepositioned relative to one another so that the radial gap between vthem is constantly reduced from theinlet end'ofthe machine towards the discharge yendor endsv in engagement.

The vinlet portion contains kthe charging openingS provided with a wedge-like` projection 10 extending approximatelyffrom the horizontal lmedial plane of themachineand the front wall 9 of the drum; `Below the charging opening 8a steppednose. 11 projects from the wall Vofthe drum,and underneath the nose a tossingspace 12`is arranged extendyingtoa flattened sieve 13 in the bottom of thevthrashing space boundary.

. .This sieve 13 .approaches the circle of rotation of thebeatersand extends as viewed in the'direction of rotation of the beaters into a tangential and not perforated sheet metal wall 14 representing a sort' of bulgeand permitting a tangential flow of the materialto be thrashed; at the end of the bulgeis found a morek or less curved baifle'surface which leads back to the normal cylindrical thrashing space boundary. This surface, against which,

the material is tossed, is formed partly by a grooved member 15 adjustably arranged with respect to the inside of the drum and adapted ing 18,;the grooving of the stationary to bel fixed in various operating positionsV byv the bolt 16 or the like. The baiiie surface is arranged at such a distance below the -hori- Y zontal medial plane of the machine drum that there is room enough between them to accom-Y modate a sieve 171of sufficient height. According to requirements, `the baffle surface may be provided also'in the middle drum 7 part and in the preliminary reducing space Y in machines as shown kby Fig. l or,.in ma-` chines as represented in Fig. 2, also in the principal reducing-space. The fingers 6 and 7 employed inthe preliminary reducing space are of trapezoid cross section andprovided on both flat sides with a preferably obliquely extending Oroovngers 6 having the same direction as thatof the so v rotary'fingers 7 The grooving is found also on the upper and lower, surfaces 19' facing the material to be workedl andon the front surface. For reasons of adjustability or changeability the ngersv may also be of un` -symmetricalcross section so that, for exam` ple, one of the'y side surfacesl is arranged obli'quely and the other, vertically. Y

f TheM fingersare not of'equal height, the staa eov tionary fingers 7 tapering towards :the point'` while the rotary'fingers 6 taper towards the base. This arrangement is advantageous in so far as the surfaces 19y facing the materialto be worked are inclined relative to one lanothery towards the thrashing space so [that during theV cooperation of these surfaces. an

acute angle is formed.'which opens towards the thrashing space andypwhichi favorsrthe working of the grain and its conveyance to-y p air can flow coming from the rear end of the machine through an aspirating cylinder 26 Y' secured to the iiywhcel, the'said cylinder passing through a hood 27 arranged at the outlet of the machine for catching the straw..

FromV the flywheel V25 the aspirated air y passes through a connecting piece 28 rigidly connected with the disc 20 and packed relative to the flywheel and through `the central apertures 29.0f the'end'disc 2O into kthe machine. s v, ,y L The flywheel possesses tangentially ar-V ranged beaters 30`carrying the forks 31 which are positionedobliquely andA serve the purpose of catching the Vmaterial coming from the annular gap 22, of conveying it within the hood icc ' 27, of loosening andfdis'tributing They also remove straw heldby the carrier' 24.

f For the'fradial conveyance of thestr'aw 'and i'tsidi'stribution on the outlet sieve 32be- ,'lowthe hood 27 Aadditional and especially radially flowing wind is'produced in the hood `means" lof `the blower varies 33, 33a specially j provided vforthis purpose. rllhe vvanesf`33` are 'Secured te the arms f3() and carry the forks vne' 'Tlie' vanes k3'3afare` attached" tothe ycylin- 'der 26, bothsets of vanes being adjusted to transport so `as to intluencelinechanicallythe conveyance'and distribution of the straw'.

f According to the invention, the machine can also be provided with a straw'disintegrating or reducing portion to produce chopped fodder. On the other hand, if a machine is Ato vproduce litter, the reducing members' are Vsa removed and the beater arms 3 provided with 'the' plates 34.` In ythe Vmachines shown in j Figs. 1. and 2'the height of theoutlet opening 35 of the hood 27 abovethe sieve 32 is variable owing tothe presenceof the removable sheets 36,337 on `the wall of the'hood.

, 'F ig. 8 lshows how the thrashing plates -co- 'operate with a thrashingbar4 38 preferably Vis produced. drop partly l'through ithe sieve 1-7'; During Aarranged Vat-the ma chine end in the lower part of the machine half not shown in'Fig. 2. Thisthrashingbar extends relatively farinto 'the thrashing space and maintains preferably an oblique position relative rto thedirection 'ofthelrotating'material to be'worked.

The machine functions so that the grain -entering'through'the opening 8 iscaughtby therotary thrashing members 5 (and thrashed chiefly on the path to the sieve 13"'through which the grains drop. vIn thecourse of the zsubsequent rotary motion the lmaterial. `is tossed* into ythe bulge 14 and against the battle surface 15 whereby a 'strong thrashing action v The grains released thereby 'its further spiral movement tthe material'to be thrashed is pushed bythe projection 10 1 V.from the` charging zone, worked still more thoroughly in the then narrowing gap, be- Y tween the beaters 5 and the machine wall 1, .and tossed again against the after-treatment In the preliminaryreducing of all sieves 13, 17,32 are preferablyseparately subjected to preparatory cleaning and thensifted again in alcommon machine. A f

The action `of the machine according' to Fig. 2 is `practically the same, the only Vdifference being that secondary thrashing `taires place in the machine space otherwise serving as reducing portion. j

According to the modn'icatio'n shown' 1n Fig- 9 fthe' part 14 comprises 1a `,flap hinged 'Ito the sieveisurfac'e and adaptedfto beturned down. Moreover, the fsieve`l13,the rtlap 14, the after-(treatmentsurface15, and 'the sieve 17'forintheiselfrontained unit 38 which can be'atta'chedsep'arately. f f

i Asxthe' gap22 between the walll of the drum vand the end ydisc 2()V permits only the passage-of Va 'certain quantity ofjstraw, itis advisable, 'according to Fig. 10, to provide .in the 'rearend of 11the machine va buffer 'space 39.

This can be done quite simply 4by omitting one'ot' the .rows of 1beaters provided inregularly spaced relation, preferably 'the next to V,last one; This arrangement is possible also in machinesaccordingto Fig. 2.

1' To increase for reduce the effect ofthe ladditional wind produced in the Ahood 27 according to the nature of the materialto be worked 'or to shorten or prolong the sieving 'of the llitter blown -away by this wind on-the sieve 32the wind vanes '33, 33' are arranged fadjustably, thevanes33 being especially adjustable about the axis of their 'arms .30 to effect greater inclination. Simultaneously, means such as the separators 40 may De provided for radial adjustment. The vanes 33a :can be extendedfor shortened in .radial direction. Furthermore, they areinterchangeable and their 'lower edges have different curvatures so as to vary inclinations.

Iclaimz y* .i

- 11.1Axial .thrashing machine comprising a drum having an inlet onone end and an outlet onthe other end, a shaft in the said drum,

Ybeaters on the shaft .rotating .in the thrashing vspace limited by Athe' drum, a sieve surface in the lower portion of the 'machine casing which rapproachesthe fcircle of rotation ofthe beaters, abulge in :the drum wall con! `necting with the 'trailing edge `of lthe vsieve surface,"the said `bulge forming a tangential 'path forthe material, at Athe end lof the bulge baflie surface, the said baille surface returning 4tothednum wall and adapted to remove the grainsfrom the material.

21AV machine according to claim ,1, in which the baffle surfaceis arranged adjusta- -bly towards theinsideof the drum.

3. A machine according to claim 1, in

which the battle surface is guided back convsiderablv below the horizontal medial plane of the machine to the normal thrashing space boundary., j 1

et. A machine according j to claim 1, in which the bulge and the baiflesurfaceare provided atleast onk the larger part of the machine length. j

5. A machine according to claim 1, in

Whichin the actual thrashing space the rbathe surfaces form the only rigidlyv arranged indi-f vidual thrashing members with which the rotary beaters cooperate.

6. Axial thrashing machine of the 'type described having in yits `rear part rigidly arranged working members which meshfwifth Y' rotary' members, `the i said members being fingers. of'trapezoid cross sectlon.

7. A lmachine according /to claim 6, ,in` which the opposite sides of two adjacent, cooperating, rigidly; and rotatinglyarrangedl fingers show` an obliquely extending grooving. .f f A e 8. A machine according to claim r6, in which the fingers are of unsymmetrical cross section, one lateralk surface vbeing. arranged obliquely and the other,;vertically.

- 9.'.A machine according toclaim, lin

Y which the rsurfaces of the cooperatingstati'onary `and rotating. fingersv facing the material to be worked are arranged in inclined position to include during theircooperation an acute angle open towards the thrashing space. v e

, 10. Axial thrashing machine of the type described havingstationary and rotary working fingers arrangedon edge, the height ofthe stationary fingers diminishing from the vbase towards the point, ythe height of the rotary fingers increasing from thebase towards the point.

11. Axial thrashing machine of theytype,y described having on therear end ka catch hood openbelow, ,a movable straw sieve bef low .the hood'opening, and within the hood meansrfor producing additional wind, the

said wind serving for theV radial conveyance v of the straw from the hood and the distribuj tion of the straw lonthe sieve.

` :12. A machine according tocl'aim 1, where-V in behind the beaterl rows on the machine shaft a clearer device 1s provided servlngwfor f vthe axial removal of the outcoming straw.

' hind the beater rows being a beam for the maf "40 13. A .machine according to claim 1, be-

chine shaft, the saidbeam passing through the thrashing space, and behind the bearing Y beam on the shaft a. Vstraw clearer to .remove Vthe l'straw from the beam.

14. Axial' thrashing machine-of the type described, behind the beater rows a disc with central air passage, the said disc having a smaller diameter than the drum to form a s straw passage, behind the disc a shaft bearing, behind the shaft'bearing an vaspirating cylinder corresponding to the central disc opening, the said cylinder being coaxial with the yshaft and connected*y therewith, and a straw hood vat the machine end, the said cylinder passing through the said hood.

y15. A machine according to claim 14,

blower vanes being provided on thelrotary wind.

tary aspirating cylinder.

for producingV additional tary aspirating body,l said blower vanes being Y adjustable.

1 8. .f Axial thrashingr gmachine ofthe type described, therotary beaters of the rear machine end showinglplates as gworkingmem- 70 bers, the stationarymembers consisting of.

thrashing .barsy projecting considerably intothe thrashing spa@ -`19. Machine according. to `claim 11,where`- in means are providedto vary: the heightof the outlet'openingarranged above thefsieve.

20.V A machine according to claim 1 in which'the bulge extends from the lower crest of the L,thrashing vspace ,boundary and.l is guided back with its after-treatment surface considerably below the horizontal Y medial plane of the machine to .the thrashingspace boundary and in which theportion of the machine wall communicating with the ybaffle surface and extending up to the horizontal medial plane is formed like a sieve.v I

21.. A machine according to claim G in which theopposite sidesV of two adjacent rcof operating rigidlyv and rotatinglyarranged fingers are. provided with an obliquely `extending groov1ng,and atleast one more front,

vupper or. lower surface of the finger is provided with grooving.

22. A machine according tok claim 6in. which the opposite sides of-two adjacent ,co-

operating rigidly and rotatingly .v arranged fingers are provided withanobliquelyextending grooving. the grooving of the rotary finger `,extending inthe same direction as that of the rotary finger concerned.

23. A-machine according'to .claim 14, in

which the discis stationary, vwith an'air conducting-cylinderon the back of thedisc, the l ing apacking connection therewith. .j

24.. machine according to claim 14, in whichV straw clearers are provided on the ro- 25. An axial thrashing machine of the type described in claim 14 -wherein blower vanes` are providedon the cylinder for producing additionall draft, said vanes being adjustable about their radial axis. j f

l Q6. Machine according to claim 14,in which i straw clearers are provided ,onv the rotary a-spirating body, the said straw clearers being V`ca'rriedz'by arms, thearms being` disposed tangentially relative to the aspirating body.

27. An axialthrashing machine of the type described, beaters, a disc behind lthe beater rows, said disc having central openings and being provided Vwith a smaller diameterv than the' drum to form a straw'outlet,A the said disc being fitted with an interchangeable rim adapted to vary the width of gapof the straw Y outlet. e' j 28. A machine according to f claim 14, in

whichl theaspirating cylinder is carriedby a;

said air conductingk cylinder extending', up

to ythe-rotary aspirating cylinder and form- 195 flywheel, the` said iiywheel having central *air passages.

2 9. A Amachine according to claim 11, in which the means for producing Wind are disf 5 rposed obliquely and adapted to convey the straw mechanically also. Y

.30. An axial thrashing machine of the type described, including a'retaining disc at the end of the machine behindthe vbeater rows,

K10 a buffer space in ront'of the retaining disc,'

' the said buffer space being formedby spac` Ving the beater rows here at a larger distance fromcne another than in the remaining por- Y tion `of vthe machine. y

' 15V` FELIX SCHLAYER, 

